Poly-glass Couplings

Poly-glass Couplings (aka polypropylene) are extremely lightweight, budget-friendly, and totally immune to rust. They provide excellent chemical resistance against a broad array of agricultural chemicals.

Cons: Low structural strength compared to metal materials; vulnerable to high pressure, physical impacts, and UV degradation over time when outdoors.

Best For: Agricultural liquid fertilizers, irrigation, and low-pressure general fluid transfer